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Elanso [62]
2 years ago
8

Find the value of: a) 8 9 × −3 4

Mathematics
1 answer:
german2 years ago
4 0

Step-by-step explanation:

89 multiplied by negative 34 gives a negative answer, since positive multiplied by negative is negative hence,

(89) × (-34) = -3026

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Need some help with this question in the image<br><br>Cheers​
iren [92.7K]

Step-by-step explanation:

a) 24.7×52.3=1291.81

On rounding off to 3 significant digits we get

1290

b)

\sqrt{ {42}^{2} -  {28}^{2}  }

\sqrt{1764 -784 }  =  \sqrt{980}

=31.304951

On rounding off to 5 significant figures we get

=31.305

c)

\sqrt[3]{78}  = 4.27265

On rounding off to 2 significant figures we get

=4.3

Hence required answers

a)1290

b)31.305

c)4.3

I hope it helped you

5 0
2 years ago
20. Lee uses Bill Payer from his bank account to pay his internet bill. Lee pays the same amount each month.
NARA [144]
It's the same amount each month, for a year. So:
total money ÷ times money was taken out= how much has been taken out.

$600÷12=50
3 0
3 years ago
Simplify<br> 1203<br> 52<br> 4 100<br> 551<br> 044<br> 5<br> 421<br> 50<br> 0<br> 127<br> 152
s2008m [1.1K]

Answer:

The answer is C

Step-by-step explanation:

I pick that answer because you have divide

8 0
3 years ago
What is the sum of 1/7 and 2/7
Brut [27]
The answer to the question is 3/7. add 1 and 2=3, it is 3/7
3 0
4 years ago
Read 2 more answers
HELP PLS I NEED THIS RIGHT NOW LUV U &lt;33
Minchanka [31]

Answer:

40 degrees (?)

Step-by-step explanation:

using the property of angles in the same segment,

angle z = angle x = 40??

im not sure what 108 and 40 degrees is referring to

5 0
3 years ago
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